LKC TECHNOLOGIES RETeval - Page 47

RETeval Complete Option
RET eval Device User Manual 46
ISCEV 5 step, dark adapted first, Td
Description
Eye
Flash luminance energy
(0.33, 0.33 white)
Background luminance
(0.33, 0.33 white)
#
flashes
Dark adaptation timer
Both
Off
Off
Dark adapted 0.28 Td·s
ERG
Right
0.28 Td·s @ 0.5 Hz
Off
9
Dark adapted 85 Td·s ERG
Right
85 Td·s @ 0.1 Hz
Off
5
Dark adapted 0.28 Td·s
ERG
Left
0.28 Td·s @ 0.5 Hz
Off
9
Dark adapted 85 Td·s ERG
Left
85 Td·s @ 0.1 Hz
Off
5
Light adaptation timer
Right
Off
848 Td
Light adapted 85 Td·s ERG
Right
85 Td·s @ 2 Hz
848 Td
30
Light adapted 85 Td·s flicker
ERG
Right
85 Td·s @ 28.3 Hz
848 Td
141 –
424
Light adaptation timer
Left
Off
848 Td
Light adapted 85 Td·s ERG
Left
85 Td·s @ 2 Hz
848 Td
30
Light adapted 85 Td·s flicker
ERG
Left
85 Td·s @ 28.3 Hz
848 Td
141 –
424
The next three protocols are ISCEV photopic based protocols. These are protocols without the
scotopic steps included. The protocols are the photopic single flash and flicker in standard dilated
ISCEV candela luminance as well as in Trolands. There is also the Troland based ISCEV Flicker
protocol.
ISCEV Photopic flash and flicker, cd
Description
Eye
Flash luminance energy
(0.33, 0.33 white)
Background luminance
(0.33, 0.33 white)
#
flashes
Light adapted 3.0 ERG
Right
3 cd·s/m² @ 2 Hz
30 cd/m²
30
Light adapted 3.0 flicker ERG
Right
3 cd·s/m² @ 28.3 Hz
30 cd/m²
141 –
424
Light adapted 3.0 ERG
Left
3 cd·s/m² @ 2 Hz
30 cd/m²
30
Light adapted 3.0 flicker ERG
Left
3 cd·s/m² @ 28.3 Hz
30 cd/m²
141 –
424
ISCEV Photopic flash and flicker, Td
Description
Eye
Flash luminance energy
(0.33, 0.33 white)
Background luminance
(0.33, 0.33 white)
#
flashes
Light adapted 85 Td·s ERG
Right
85 Td·s @ 2 Hz
848 Td
30
Light adapted 85 Td·s flicker
ERG
Right
85 Td·s @ 28.3 Hz
848 Td
141 –
424
Light adapted 85 Td·s ERG
Left
85 Td·s @ 2 Hz
848 Td
30
Light adapted 85 Td·s flicker
ERG
Left
85 Td·s @ 28.3 Hz
848 Td
141 –
424